Assignee
HOOVER GROUP INC
US60 patents
Top patents by PatentIndex Score
US5564599AOct 15, 1996
Foldable shipping container
HOOVER GROUP INC211 citations97
US5746343AMay 5, 1998
Flexible bag for liquids mounted on a frame
HOOVER GROUP INC74 citations95
US5217138AJun 8, 1993
Liquid transport drum with removable liner
HOOVER GROUP INC68 citations95
US5029734AJul 9, 1991
Composite container
HOOVER GROUP INC86 citations95
US4648521AMar 10, 1987
Composite metal and plastic tank
HOOVER GROUP INC58 citations95
US5395097AMar 7, 1995
Spring wire core made of nestably stackable half units
HOOVER GROUP INC25 citations92
US5346190ASep 13, 1994
Box spring assembly support spring
HOOVER GROUP INC22 citations92
US5156268AOct 20, 1992
Composite shipping container for combustible liquids
HOOVER GROUP INC34 citations92
US5110000AMay 5, 1992
Composite shipping container with separable top and bottom structures
HOOVER GROUP INC52 citations92
US5002194AMar 26, 1991
Fold up wire frame containing a plastic bottle
HOOVER GROUP INC42 citations92
US4785966ANov 22, 1988
Slide gate assembly
HOOVER GROUP INC29 citations92
USD414333SSep 28, 1999
Foldable shipping container
HOOVER GROUP INC21 citations91
US6357365B1Mar 19, 2002
Intermediate bulk container lifting rack
HOOVER GROUP INC66 citations90
US5176367AJan 5, 1993
Stackable spring assemblies with formed wire spring modules
HOOVER GROUP INC21 citations89
US4785958ANov 22, 1988
Tank with sloped bottom
HOOVER GROUP INC25 citations88
US5346188ASep 13, 1994
Hinged wire form members
HOOVER GROUP INC40 citations87
US5294137AMar 15, 1994
Transport container with integral dolly
HOOVER GROUP INC31 citations87
US5738240AApr 14, 1998
Composite shipping container with tubular member pallet
HOOVER GROUP INC34 citations84
US5503294AApr 2, 1996
Containment basin for containing liquid spillage from a portable storage tank
HOOVER GROUP INC19 citations82
US4930661AJun 5, 1990
Composite shipping container
HOOVER GROUP INC52 citations82
US5282546AFeb 1, 1994
Composite above ground liquid storage vault
HOOVER GROUP INC37 citations81
US4932551AJun 12, 1990
Composite tank assembly
HOOVER GROUP INC22 citations81
US4890756AJan 2, 1990
Cylindrical tank with flared upper end
HOOVER GROUP INC20 citations81
US4793519ADec 27, 1988
Composite shipping container
HOOVER GROUP INC45 citations81
USD298450SNov 8, 1988
Tank
HOOVER GROUP INC18 citations81
US5595318AJan 21, 1997
Composite container with improved outer shell
HOOVER GROUP INC20 citations79
US5178372AJan 12, 1993
Nestable spring assemblies for bedding and furniture
HOOVER GROUP INC19 citations79
US4840284AJun 20, 1989
Sloped bottom tank
HOOVER GROUP INC23 citations78
US5438716AAug 8, 1995
Box spring assembly with improved spring installation capabilities
HOOVER GROUP INC12 citations73
US5401007AMar 28, 1995
Wire spring assemblies made of nestably stackable half units
HOOVER GROUP INC19 citations73
US5246210ASep 21, 1993
Grid and spring subassembly for box springs
HOOVER GROUP INC17 citations73
US5188344AFeb 23, 1993
Formed wire box spring with grid lock system
HOOVER GROUP INC14 citations73
US5165667ANov 24, 1992
Box spring assembly with crosswires having integral sinuous end springs
HOOVER GROUP INC15 citations73
US5156294AOct 20, 1992
Foldable box with internal bag
HOOVER GROUP INC10 citations73
US5018752AMay 28, 1991
Shaft seal
HOOVER GROUP INC8 citations73
US4995588AFeb 26, 1991
Dry-break discharge valve assembly for a liquid bulk container
HOOVER GROUP INC10 citations73
US4932535AJun 12, 1990
Formed wire spring element for box spring assemblies
HOOVER GROUP INC15 citations73
US4928922AMay 29, 1990
Butterfly discharge valve assembly for a liquid bulk container
HOOVER GROUP INC7 citations73
US4921126AMay 1, 1990
Liquid supply system utilizing stacked tanks
HOOVER GROUP INC14 citations73
US4905963AMar 6, 1990
Valve assembly for liquid containing tanks
HOOVER GROUP INC12 citations73
US4891853AJan 9, 1990
Box spring assembly
HOOVER GROUP INC15 citations73
US4890814AJan 2, 1990
Discharge valve with handle lock
HOOVER GROUP INC7 citations73
USD305353SJan 2, 1990
Tank
HOOVER GROUP INC9 citations73
US4867424ASep 19, 1989
Box spring with wire columns and partial coils
HOOVER GROUP INC12 citations73
US4861002AAug 29, 1989
Spring module with improved mounting foot structure
HOOVER GROUP INC8 citations73
US4805883AFeb 21, 1989
Box spring assembly with a grid structure formed of both basic and spring wire
HOOVER GROUP INC11 citations73
US4779292AOct 25, 1988
Box spring cross rail incorporating extruded thrust bearing
HOOVER GROUP INC10 citations73
US4779293AOct 25, 1988
Formed wire box spring with spring wire deck
HOOVER GROUP INC19 citations73
US5370374ADec 6, 1994
Nestable spring assemblies for bedding and furniture
HOOVER GROUP INC11 citations70
US5080329AJan 14, 1992
Spring loaded locking system for box spring assemblies
HOOVER GROUP INC6 citations62
Showing the top 50 of 60 patents by PatentIndex Score.